Bag type dust collector

The utility model belongs to the field of dust collector equipment, and particularly relates to a bag type dust collector which comprises a base and further comprises an adjusting and collecting mechanism used for adjusting and collecting dust according to the weight of the dust so as to prevent dust accumulation from affecting the dust collection effect. The adjusting and collecting mechanism is located below the base, a dust removal box is fixedly installed at the top end of the base, and a vibrator is arranged on one side of the dust removal box. Dust in gas is filtered through cooperation of the dust removal bag and the pulse valve, the dust on the inner wall of the dust removal bag is removed through the vibrator, the dust is collected to the top ends of the adjusting plates through the discharging hopper, and when too much dust is accumulated at the top ends of the adjusting plates, the two adjusting plates are driven by the rotating shaft to rotate around the rotating shaft, so that the inner sides of